Coned yarn support



Dec. 18, 1934. c, s 1,985,026

' CONED YARN SUPPORT Filed Feb. 24, 1934 INVENTOR BY (45L EPPS w bmiblwwa ATTORNEYS Patented Dec. 18 1934 UNITED STATES PATENT OFFICE CONEDYARN SUPPORT Carl Epps, Rome, Ga., assignor to Tubize ChatillonCorporation, a corporation of Delaware Application February 24, 1934,Serial No. 712,747

4 Claims. (Cl. 242-130) This invention relates to coned yarn supportscontour. As the cone is pushed downwardly and has for its object certainimprovements over and in contact with the fingers, they are in theconstruction of coned yarn supports. promptly lined-up to conform withthe taper of The invention relates more particularly to cone the cone. Asubstantial amount of friction surgripping devices employed in theunwinding of face is provided by the faces of the fingers in 5 co edyarn. contact with the cone. The size and number Yarn, threads,.strandsand the like are wound of the fingers may of course be varied in orderon a receiving device in the course of their to provide the amount offriction surface remanufacture. This device customarily consists quiredto operate under optimum conditions.

of a paper or pasteboard cone, bobbin, cop or 'These and other featuresof the practice of 10 similar object. During the course of manutheinvention will be more readily understood facture of finished textileproducts, the coned on inspecting the attached drawing, of which yarn isunwound from a paper cone directly the following is a description: to,for example, a knitting machine or other Fig. 1 is a side elevation of ayarn supporting receiving device. In order to conduct the yarn deviceincluding a cone gripping support illus- 15 unwinding operation in acontinuous and sattrative of the present invention, together withisfactory manner, it is necessary that the body an adjustable bracketand a tension device. A of coned yarn be rigidly supported so that themounted cone is shown in section, which perunwinding yarn may be drawnto the knitting mits an interior view of the cone gripping supmachinewith a minimum variation in tension. port mounted on a spindle; 20Various tension and cone gripping devices are Fig. 2 is an enlargeddetail and cross-sectional employed in an effort to obtain this desiredview of the spindle and core member of Fig. 1; result. In the case ofcone gripping devices Fig. 3 is a section on the line 3-3 of Fig. 2;such as are now generally employed, several Fig. 4 is an enlargedperspective view of one 5 troublesome difliculties are oftenencountered. of the cone gripping fingers; and The cone gripping devicemay be adapted to Fig. 5 is an enlarged perspective view of the receiveand hold a paper cone of only one core member. specific ,size. The conegripping device may The construction shown comprises coned yarn. also aquate pp ng Surface firmly 10 wound on a paper cone 11 supported ovenato hold the cone in fixed position during the spindle 12. The coned yarnrests on or closely 30 unwinding peration. adjacent to a circular basesupport 13. This In the course of my investigations, I have disbasesupport is advantageously so constructed covered a cone supportconstruction that largely that the yarn itself may rest on the same,while overcomes the difliculties just enumerated. The the lower andprotruding end of the paper cone device is readily adjustable to receivecones of may freely extend downwardly. Such a con- 35 various shapes andsizes. A considerable amount struction is disclosed and claimed in mycopendof gripping surface is provided to be placed in ing applicationSerial No. 712,746 filed February contact with the inside contour of thecone so 24, 1934. that the cone may be held in fixed position during Theabove mentioned elements are supported the entire unwinding operation.by an adjustable bracket comprising a base link 40 The inventioncontemplates a yarn support W intermediate links 15 and and a comprisinga, s i dl r member on th looning link 1'7 in series. Thumb screws 18, 19spindle and a plurality of adjustable cone gripand 20, respectively, areprovided to fasten the ping fingers mounted on t core member In links.The spindle is attached to the base link a present preferred practice ft invention by means of lock nuts. Both intermediate links .45 the coremember is provided on its exterior are P d w t ded 110168 21 and with aplurality of spaced longitudinal-slots, spectively, to provid m ans f ratta o and the adjustable cone gripping fingers are an ultimate support23, such as a knitting maloosely and pivotally mounted in those slots.chine, y means of a mem 2 adap d o fi The core member itself may befreely moved up into Said threaded 110165- and down the spindle andsecured at any de- A y guide 5. Such as a porcelain eyelet, sirableposition. The pivoting cone gripping through which the yarn 26 may bedrawn, is fingers are tiltable toward the upper end of the provided atthe free end of the ballooning link. spindle, which places them inposition readily A tension device 27 is mounted on the same end =5 toreceive a cone of substantially-any practicable of the ballooning link.It consists of an upright member 28 attached to the link by means of ascrew 29. A movable arm 30 is attached to the upper end of the uprightmember by means of a screw 31. This arm is also provided with a yarnguide 32, preferably a porcelain eyelet somewhat smaller than eyelet 25.The two yarn guides may be placed in co-axial alignment, or thealignmentmay be altered depending upon the amount of tension to be placed on theunwinding yarn.

The specific cone gripping features of the invention will now beconsidered:

A hollow tapered core member 33 is mounted on spindle 12. It is threadedso that the core member may be moved up and down the spindle. Athreadedstud 34 extends through the shell of the core member so that the coremay be securely locked to the spindle at a desired position. Referringmore particularly to Fig. 5 it will be seen that the core member isprovided with a plurality of longitudinal slots 35, 35', 35",

each of which is adapted to receive a cone grip- I ping finger '36. Thecore member is also provided with a circumferential slot 37, which isadapted to receive a coiled tension spring 38. Figs. 1, 2 and 3 show thegripping fingers 36, 36', 36" in position. In order to get a desiredpivotal action, the cone gripping fingers are con-' structed as shownmore particularly in Figs. 2, 3 and 4. They are elongated and narrow,the sides next to the core member being provided with a curvedprotruding shoulder 39. A depression 40 is provided at the juncture ofthe longitudinal slots 35 and the circumferential slot 37 in the coremember to receive this protruding shoulder. The side of the conegripping fingers opposite the protruding shoulder is provided with atransverse slot 41 adapted to register at least in part with thecircumferential slot 37 in the core member. The cone gripping fingersare advantageously rounded at their upper ends 42 more readily toreceive a cone.

'In operation thumb screw 20 is loosened, balloon link 1'7 is moved backout of the way, and the upper ends of the cone gripping fingers 36, 36',36" are advantageously pushed toward the spindle 12 (see Fig. 2). Theconed yarn 10 on its paper cone 11 is then moved in position over thespindle, and pushed downwardly over the cone gripping fingers. It ispreferred that the cone be pushed down sufliciently far so that theconed yarn itself may rest on the base support 13. In case the cone isnot then sufliciently gripped, the cone is elevated and the core member33 is moved upwardly along the spindle and locked ina position adaptedto give the required frictional resistance between the gripping fingersand the inside of the cone. It will of course be clear that if the coremember is toohigh on the spindle to permit the positioning of the conedyarn on the base support 13, the core member should be moved toward thebase of the spindle into a position best located to give optimumresults. Due to the slanting direction of the cone gripping fingers intheir normal position, the

' base of the cone may readily be pushed down over the fingers. Sincethe gripping fingers are pivotally mounted on the core member, they arepromptly placed in face to face alignment with the inside of the cone.

I claim:

1. The improvement in a coned yarn support comprising a spindle, a coremember, the spindle and core member being threaded so that the coremember may be advanced on the spindle, said core member being exteriorlyprovided with a transverse slot and a plurality of spaced longitudinalslots, cone gripping fingers loosely mounted in said longitudinal slots,said fingers each being provided with a transverse slot which registerswith the transverse slot in the core member, and a flexible ringmountable in said transverse slots to hold said cone gripping fingers inpivotal position.

2. The improvement in a coned yarn support according to claim 1,comprising a flexible ring of coiled spring wire to hold the conegripping fingers in position.

3. In a coned yarn support, the improvement comprising a core member,said core member being exteriorly provided with a transverse slot and aplurality of spaced longitudinal slots, cone gripping fingers looselymounted in said longitudinal slots, said fingers each being providedwith a transverse slot which registers with the transverse slot in thecore member, and a flexible member mountable in said transverse slots tohold the cone gripping fingers in pivotal position, said cone grippingfingers being provided with a cone contacting surface that extendssubstantially along their entire length to afford an optimum amount offrictional resistance between the gripping fingers and the inside of acone.

'cone' gripping fingers in pivotal position, said cone gripping fingersbeing provided with a cone contacting surface that extends substantiallyalong their entirelength to afford an optimum amount of frictionalresistance between the.

of a cone.

gripping fingers and the inside CARL EPPS.

